CN2546289Y - Anti skidding kick-back backward safety initiating device on half grade for motor vehicle - Google Patents
Anti skidding kick-back backward safety initiating device on half grade for motor vehicle Download PDFInfo
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- CN2546289Y CN2546289Y CN 02244140 CN02244140U CN2546289Y CN 2546289 Y CN2546289 Y CN 2546289Y CN 02244140 CN02244140 CN 02244140 CN 02244140 U CN02244140 U CN 02244140U CN 2546289 Y CN2546289 Y CN 2546289Y
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Abstract
A safe half-slope starting device for preventing vehicles from running backward comprises a flywheel arranged on one of shafts inside a dynamic transmission device of the vehicle, a driven gear meshed with the gear teeth on the external circumference of the flywheel, a fixed single-arm arranged on the driven gear and a brake master cylinder whose output pipe is communicated with the original brake system of the vehicle. The fixed single-arm arranged on the driven gear is connected with a handspike on the brake master cylinder; the output pipes of the original brake master cylinder and the brake master cylinder are respectively provided with a one-way valve. When the device is arranged on the vehicle, the parking and starting operational process of the vehicle on the half-slope is completely the same as that on the flat ground and no special technology is required. Therefore, the utility model enables the operation of the vehicle to be more convenient and also effectively avoids vehicle crashes and collision accidents caused by man-made improper operation, so that the utility model is more reliable in aspect of security.
Description
Technical field
The utility model provides a kind of motor vehicle brake control mechanism, especially a kind of back slide preventing, safe, half slope starting device of motor vehicle.
Background technology
At present, when power actuated vehicle when half way up the mountain stops, chaufeur will carry out following operation usually: stepping on clutch, pull the hand brake, pluck shelves.When half way up the mountain is started to walk, then to finish by the cooperation of stepping on clutch, engage a gear, RELEASE PARKINGBRAKE and open out several steps.This cover control step technical risk is bigger, to having relatively high expectations of artificial skills involved in the labour, so, in practical operation, usually there is chaufeur on half way up the mountain, to be difficult to starting because of the unconsummate misoperation of technology makes self-propelled vehicle, even, vehicle is slided backward because of misoperation makes self-propelled vehicle out of control when starting to walk, lead to serious accident.Sometimes, run into the malfunctioning situation of parking brake of car, the driver will step down in pin all the time on the braking vane and can not unclamp when implementing the half way up the mountain parking, and will be with a pin stepping on clutch when half way up the mountain is started to walk, the another pin touches on the brake and throttle simultaneously, finish driveaway operation by this method, this compounding practice technical risk is bigger, and it is titanic peril under cover behind.Therefore, because of half way up the mountain stops, driveaway operation is improper, annual all can have a large amount of fall and accident such as collision takes place.
Summary of the invention
The purpose of this utility model is to improve deficiency of the prior art, provides a kind of power actuated vehicle that can make to stop and during starting at half way up the mountain, all can use and stops on the level land and the back slide preventing, safe, half slope starting device of motor vehicle of starting identical operations step operation.
As everyone knows, self-propelled vehicle is when cruising, in its power drive system each just can be to a fixing direction running, when its when half way up the mountain stops, the driver steps on power-transfer clutch, has extractd power drive then, at this moment, vehicle is subjected to the effect of gravity can slip car backward, and simultaneously, the power drive system of vehicle just can turn round in the opposite direction.The design is exactly the brake gear that the power of utilizing driving system to be produced when reversing sense turns round starts full car, makes self-propelled vehicle slip the moment braking of car backward.
The purpose of this utility model is achieved in that
This back slide preventing, safe, half slope starting device of motor vehicle comprises the transmission mechanism of an application force, and it is located on the axle on the self-propelled vehicle, and this axle rotates to different directions respectively when self-propelled vehicle moves forward and backward; The transmission mechanism of this application force is associated with brake gear on the self-propelled vehicle; Described force transmission mechanism is so related with described brake gear: when self-propelled vehicle when retreating, this mechanism can apply application force to the described brake gear on the self-propelled vehicle and start this brake gear, and car is implemented to brake.
The transmission mechanism of described application force can be to comprise:
A ratchet that is fixed on the described axle,
A post rod mechanism that connects described brake gear, one end of this post rod mechanism is associated with ratchet, and promptly when self-propelled vehicle advanced, this post rod mechanism was failure to actuate, and when self-propelled vehicle retreated, this post rod mechanism of described ratchet effect made it transmit an application force and gives described brake gear.
Described brake gear can be a fluid brake.
When brake gear is fluid brake, the transmission mechanism of described application force can comprise:
A foregoing ratchet, it is located on wherein axle in the power drive of self-propelled vehicle, the installation site of this ratchet can be according to the difference of vehicle and corresponding space size different, carry out concrete design, for example, it can be installed on the power take-off shaft at vehicle transmission rear;
An anti-back slide master cylinder, hydraulic pressure delivery pipe on it is connected with described brake gear on the self-propelled vehicle, master cylinder in the described brake gear on self-propelled vehicle is connected wherein two interfaces of a triple valve with the hydraulic pressure output oil pipe back seal of described anti-back slide master cylinder, the 3rd interface of this triple valve is connected with wheel brake device hydraulic tubing, in this triple valve, be provided with and export oily interface and described anti-back at the master cylinder hydraulic pressure in the described brake gear and slip and move the spool that can seal one of them interface between the hydraulic pressure output oil pipe interface of master cylinder, so that their two master cylinder are independent of each other when work mutually;
A post rod mechanism, the one end is associated with the ratchet of described ratchet, and the push rod that its other end and described anti-back slip on the master cylinder is connected; The incidence relation of the ratchet of described post rod mechanism and described ratchet is: when car advanced, post rod mechanism was not promoted by ratchet, and when car retreated, post rod mechanism was promoted by ratchet and makes the work of described anti-back slide master cylinder for described push rod force transmission.
The transmission mechanism of described application force can also comprise:
A flywheel, it is located on wherein axle in the power drive of self-propelled vehicle, ratchet device direction in this flywheel between the Internal and external cycle is to be provided with like this: when wherein inner ring with the described axle forward rotation on the power drive, when promptly car advanced, the outer ring of flywheel was static; And inner ring is with the axle backward rotation on the power drive, and when promptly car retreated, rotated with inner ring the outer ring;
A ring gear, its sky are sheathed on an axle that is provided with on the vehicle frame of the side of described flywheel, and the gear teeth on the excircle of this ring gear and described flywheel are meshed; On described ring gear, be provided with a fixedly single armed; With
An anti-back slips master cylinder, and the hydraulic pressure delivery pipe on it is connected with original brake system on the self-propelled vehicle, be located on the described ring gear described fixedly single armed with described anti-after push rod on the slide master cylinder be connected; Master cylinder in the described brake gear on self-propelled vehicle and described anti-back slip wherein two interfaces of a triple valve of can being tightly connected on the hydraulic pressure output oil pipe of master cylinder, the 3rd interface of this triple valve is connected with wheel brake device hydraulic tubing, in this triple valve, be provided with and export oily interface and described anti-back at the master cylinder hydraulic pressure in the described brake gear and slip and move the spool that can seal one of them interface between the hydraulic pressure output oil pipe interface of master cylinder, so that their two master cylinder are independent of each other when work mutually;
The principle of work of this device is such: when the self-propelled vehicle cruising, in the power drive on the car each all can rotate to a fixing direction, and be located at ratchet on the axle in the power drive or the inner ring of flywheel rotates with axle, and the post rod mechanism transfixion that is associated with ratchet, or the outer ring transfixion of flywheel, at this moment, also just maintain static with the fixedly single armed on flywheel ingear ring gear and the ring gear, described anti-back slide master cylinder is not worked yet, and the brake of self-propelled vehicle is still by its original brake system control.
When using described triple valve, when brake, master cylinder work in the brake gear is to the brake gear oil transportation of wheel, connect anti-back at the effect bottom spool of oil pressure in triple valve and slip the valve seat of interface of master cylinder hydraulic oil oil outlet pipe and move and be pressed in and make this interface sealing on this valve seat, hydraulic oil is flowed to the hydraulic oil pipe of wheel brake device by the 3rd interface; When brake finished, releasing of brake lock, hydraulic oil returned the master cylinder oil cylinder from original passage again.
When on the ramp, stopping in the self-propelled vehicle up-hill journey, the effect that car is subjected to gravity can be slipped car backward, at this moment, the axle of described ratchet that sets firmly in the power drive on the car or flywheel then rotates in the opposite direction, ratchet provided thereon promotes described push rod and moves, or the flywheel outer ring will be rotated with inner ring by the effect of its ratchet that is provided with between inner ring, also just rotate with flywheel ingear ring gear, fixedly single armed on it is swung thereupon, then Yun Dong described push rod or described fixedly single armed just can promote the push rod of described anti-back slide master cylinder, when behind car, slipping, make the work of anti-back slide master cylinder, hydraulic oil is by being forced out in the anti-back slide master cylinder, the valve seat that connects the interface of the master cylinder hydraulic oil oil outlet pipe in the brake gear at the effect bottom spool of oil pressure in triple valve moves and is pressed in and makes this interface sealing on this valve seat, enters hydraulic oil in the triple-valve body is flowed to the wheel brake device by the 3rd interface hydraulic oil pipe; Enter the brake fluid line of wheel, when the brake end, modulated pressure oil returns the oil cylinder of anti-back slide master cylinder from original passage again.
And should anti-back slip master cylinder the former brake system bonded assembly transport pipe of brake solution by itself and self-propelled vehicle is delivered in the former brake system of self-propelled vehicle, thereby makes wheel cylinder locking brake disc tightly on the wheel of vehicle, make self-propelled vehicle surely be parked in the original place.
At this moment, as the driver, when stopping on the ramp, he only need handle just passable as stopping on the level land.In the time will on half way up the mountain, starting to walk to continue climbing, driver's stepping on clutch, engage a gear, step on the accelerator, self-propelled vehicle is when beginning to travel, the axle that is provided with described ratchet device or described flywheel in the power drive wherein is forward rotation again, at this moment, described post rod mechanism can be eased up instantaneous, under the effect of the pull back spring that is provided with, described anti-back slide master cylinder is removed mode of operation at once, for the device that is provided with flywheel, the axle just changeing the outer ring that can make described flywheel again can be in instantaneous absent-mindedness, ring gear is the while return also, in order to make the rapid return of ring gear, can be provided with pull back spring between fixedly single armed on this ring gear and vehicle frame; Along with the ring gear and the fixing return of single armed, described anti-back slips master cylinder and will remove braking state at once, and the power that driving engine is produced successfully passes to wheel by driving system, thereby wheel rotates, and motor vehicle energy is started to walk smoothly.
This device also can be used in use pneumatic brake self-propelled vehicle on, at this moment, the transmission mechanism of described application force also can comprise:
An aforesaid ratchet and an aforesaid post rod mechanism,
This post rod mechanism can be connected with the air brake valve on the compressed-air brake on the self-propelled vehicle;
This post rod mechanism also can be connected with an anti-back slide air brake valve, and described anti-back slips air brake valve and is connected in the anti-back slide pneumatic circuit in parallel with the above compressed-air brake of self-propelled vehicle, on slipping the air pressure delivery pipe of preventing slide air brake valve in back described in the pneumatic circuit, the anti-back of described parallel connection establishes a check valve, on the air pressure delivery pipe of the air brake valve of the compressed-air brake of self-propelled vehicle, also to establish a check valve, in work separately, influence each other avoiding.
This post rod mechanism can also be connected with an aforesaid anti-back slide master cylinder, the terminal of hydraulic pressure delivery pipe of master cylinder of should anti-back slipping was connected with a hydraulic pressure wheel cylinder, and the air brake valve that this hydraulic pressure wheel cylinder is provided with the described compressed-air brake on a push rod and the self-propelled vehicle is connected.
In concrete enforcement, also can on described anti-back slips master cylinder, establish push rod and be connected with the air brake valve of described compressed-air brake, its effect and effect and the scheme that adds the hydraulic pressure wheel cylinder are equivalent.
In aforementioned schemes, described ratchet can be replaced by a described flywheel and a described ring gear and the fixedly single armed that is fixed on the ring gear.
In order to make this device not influence normal reversing, an interim device of removing the slide effect of anti-back can be set on this device.With the above-mentioned embodiment that is provided with ring gear is example, can be on described ring gear, to be provided with a fork slot, in this groove, establish a shift fork, the other end of this shift fork is connected with reverse gear lever in the original reversing gear of self-propelled vehicle, when hanging reverse gear, by reverse gear lever can make this shift fork stir that described ring gear moves on described axle and with described flywheel jump out of mesh, and after normal reversing finishes, when extracing reverse gear, ring gear is moved and again with described flywheel engagement.In concrete the enforcement, reverse gear lever can be connected by the linkage of being located on the appropriate location with shift fork, in order to realize above-mentioned purpose.
Self-propelled vehicle is such as not having under the situations such as power driven, make special requirements such as its front and back move freely, in order to adapt to this needs, the unconditional ablation device of one cover can also be set, still be example with the embodiment that is provided with ring gear, it is: connect a linkage on described shift fork, the interior operating control of the other end of this linkage and operator's compartment is connected, and can reach by this operating control unconditionally to make ring gear and flywheel jump out of mesh.Equally, also can make ring gear and flywheel recover engagement by this operating control.
When shift fork is stirred ring gear and is made it with the flywheel jump out of mesh, ring gear can slide to foreign side on gear wheel shaft, at this moment, push rod on single armed and the master cylinder just can misplace, so just be unfavorable for the slip that ring gear is outside, be head it off, the structure of described push rod can be: this push rod comprises two sections bars, connects a spring between these two sections bars.Like this, this push rod just has certain deformability, can absorb above-mentioned dislocation with this, so that successfully stir ring gear.In addition; preferably adopt the bigger spring of rigidity to be located in the push rod in this device; like this; can not influence fixedly single armed to the transmission of master cylinder thrust; and be sent to the power of push rod when excessive when single armed; this spring can also play the buffering of push rod and master cylinder and protective effect, and it also has certain return effect to single armed.
In the embodiment of ratchet and push rod, can on described push rod, establish a shift fork or pull bar, and it is connected with described reverse gear lever or the described operating control be located in the operator's compartment, when hanging reverse gear or handling this operating control, make push rod swing displacement, push rod and ratchet are broken away from.The structure of described push rod can be identical with described push rod, also be made of two sections bars and middle spring, middle set spring both can make the push rod displacement and break away from ratchet, can play the effect that push rod is resetted again, make when taking reverse gear etc., allow the push rod return again with on ratchet is related.
After the back slide preventing, safe, half slope starting device of motor vehicle that the utility model provides is installed on the self-propelled vehicle, when half way up the mountain stops, the driver only needs stepping on clutch and plucks shelves, car just can be parked on the half way up the mountain automatically, when starting, the driver also only needs stepping on clutch, engage a gear and oiling, and self-propelled vehicle will normally start to walk forward to continue to have climbed.That is to say, the device that has had the utility model to provide, self-propelled vehicle is duplicate in the operating process of stopping on the half way up the mountain and starting to walk with the starting of stopping on the level land, do not need special technique, like this, both can make the operation of vehicle have more convenience, and can also avoid and self-propelled vehicle that cause improper to fall effectively and the generation of collision case by manual operation.Make it more reliable at secure context.
Main inventive point of the present utility model is to be provided with a mechanism that starts this brake gear when slipping behind the car between the power drive of self-propelled vehicle and the brake gear.Because the model of self-propelled vehicle of the prior art and of a great variety, for the self-propelled vehicle that adapts to various different structures uses the present invention, can there be multiple structural variation in mechanism then of the present utility model, and these change the scope that all should belong to the utility model protection.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
The back slide preventing, safe, half slope starting device of motor vehicle that Fig. 1 provides for the utility model with and the structural representation that is connected with the original fluid brake of self-propelled vehicle;
Fig. 2 is the structural representation of flywheel in described device of Fig. 1 and the ring gear that is engaged with;
Fig. 3 is the ring gear in described device of Fig. 1 and gear wheel shaft and the structural representation of being located at the single armed on the gear;
Fig. 4 is the structural representation of the shift fork in described device of Fig. 1;
The structural representation of the back slide preventing, safe, half slope starting device of motor vehicle that Fig. 5 provides for a kind of the utility model that is connected with the original compressed-air brake of self-propelled vehicle;
The structural representation of the back slide preventing, safe, half slope starting device of motor vehicle that the utility model that Fig. 6 is connected with the original compressed-air brake of self-propelled vehicle for another kind provides;
Fig. 7 slips ratchet device and push rod bonded assembly structural representation in the back slide preventing, safe, half slope starting device of motor vehicle that the utility model that master cylinder is connected provides for another and anti-back;
Fig. 8 is a pin-lift arrangement and the interim structural representation of preventing that the back slip device is connected and acts on of removing as shown in Figure 7.
Fig. 9 is the structural representation of the triple valve that uses in the device as shown in Figure 1
The specific embodiment
Shown in Fig. 1,2 and 3, this back slide preventing, safe, half slope starting device of motor vehicle comprises:
A flywheel 1, it is installed on the power take-off shaft 3 at vehicle transmission 2 rears, ratchet device direction in the flywheel 1 between Internal and external cycle 1-1 and the 1-2 is to be provided with like this: when wherein inner ring 1-1 with output shaft 3 forward rotation, when promptly car advanced, the outer ring 1-2 of flywheel 1 was static; And inner ring 1-1 is with the axle backward rotation on the power drive, and when promptly car retreated, outer ring 1-2 rotated with inner ring;
A ring gear 4, its sky are set on the axle 5 that is provided with on the shell of change-speed box of side of flywheel 1, and the gear teeth on the excircle of ring gear 4 and flywheel 1 are meshed; On ring gear 4, be provided with a fixedly single armed 6; With
An anti-back slide master cylinder 7, its can be with existing self-propelled vehicle on the identical master cylinder of employed master cylinder structure, delivery pipe 7-1 on it is connected with brake system on original self-propelled vehicle, and the fixedly single armed of being located on the ring gear 46 is connected with push rod 7-2 on the master cylinder 7.
Shown in Fig. 3 and 4, on ring gear 4, be provided with a fork slot 4-1, in groove 4-1, establish a shift fork 8, the other end 8-1 of shift fork 8 is connected with reverse gear lever (not shown) in the original reversing gear of self-propelled vehicle.When hanging reverse gear, by reverse gear lever make shift fork 8 stir that ring gear 4 moves on axle 5 and with flywheel 1 jump out of mesh, and after normal reversing finishes, when extracing reverse gear, ring gear 4 is moved and mesh with flywheel 1 again.Between reverse gear lever and the shift fork by being located at the linkage (not shown) on the appropriate location, in order to realize above-mentioned purpose.On axle 5, be provided with locating dowel pin 5-1, ring gear mobile on axle 5 played spacing effect.
When on the ramp, stopping in the self-propelled vehicle up-hill journey, the effect that car is subjected to gravity can be slipped car backward, at this moment, 3 on the axle that sets firmly flywheel 1 in the power drive on the car rotates in the opposite direction, the outer ring 1-2 of flywheel 1 provided thereon will rotate with inner ring 1-1 by ratchet device, also just rotate with flywheel 1 ingear ring gear 4, fixedly single armed 6 on it is swung thereupon, then promote the push rod 7-2 of master cylinder 7, make master cylinder 7 work, and master cylinder 7 is delivered to the former brake system bonded assembly transport pipe 7-1 of brake solution by itself and self-propelled vehicle in the former brake system of self-propelled vehicle.
As shown in Figure 1, former brake system comprises former master cylinder 01, its delivery pipe 01-1 be connected with the wheel cylinder 03 on four wheels 02, brake disc 04 is connected with wheel cylinder 03, when when self-propelled vehicle is subjected to the effect of gravity on half way up the mountain under, slipping, original brake system that the hydraulic oil of master cylinder 7 outputs enters self-propelled vehicle, and pass through wheel cylinder locking brake disc 04 tightly, make self-propelled vehicle surely be parked in the original place.In the time will on half way up the mountain, starting to walk to continue climbing, driver's stepping on clutch, engage a gear, step on the accelerator, self-propelled vehicle is when beginning to travel, and axle 3 wherein is forward rotation again, at this moment, the outer ring 1-2 of flywheel 1 can be in instantaneous absent-mindedness, ring gear 4 is the while return also, in order to make the rapid return of ring gear, is provided with the pull back spring (not shown) between fixedly single armed 6 on the ring gear 4 and vehicle frame; Along with the ring gear 4 and the fixing return of single armed 6, master cylinder 7 will be removed braking state at once, and the power that driving engine is produced successfully passes to wheel 02 by driving system, thereby wheel 02 rotates, and motor vehicle energy is started to walk smoothly.
When this car is moveed backward on level road, hang reverse gear, at this moment, ring gear 4 drawn and with flywheel 1 jump out of mesh, promptly can move backward freely.
Self-propelled vehicle is such as not having under the situations such as power driven, make special requirements such as its front and back move freely, in order to adapt to this needs, the unconditional ablation device of one cover can also be set, it is: connect a linkage (not shown) on shift fork 8, operating control (not shown) in the other end of this linkage and the operator's compartment is connected, and can reach by this operating control unconditionally to make ring gear 4 and flywheel 1 jump out of mesh.Equally, also can make ring gear 4 and flywheel 1 recover engagement by this operating control.
As shown in Figure 1, push rod 7-2 comprises two sections bar 7-2-1 and 7-2-3, connects a spring 7-2-2 between these two sections bars.
As Fig. 1, shown in 9, be provided with wherein two interface 7-1-1a and the 7-1-1b of the triple valve 7-1-1 that is tightly connected on the output oil pipe 7-1 of the master cylinder 7 in the output oil pipe 01-1 of former master cylinder 01 and this device, the 3rd interface 7-1-1c of this triple valve is connected with wheel brake device hydraulic tubing, the hydraulic pressure that is provided with master cylinder 01 that can be in brake gear in this triple valve 7-1-1 is exported the interface 7-1-1a of oily 01-1 and anti-back and is slipped and move the steel ball spool 7-1-1d that can seal one of them interface between the interface 7-1-1b of hydraulic pressure output oil pipe 7-1 of master cylinder 7, so that their two master cylinder are independent of each other when work mutually;
As shown in Figure 5, the brake gear of self-propelled vehicle is a compressed-air brake, and it comprises air compressor 02, storage tank 03, air brake valve 04, and air compressor 02 is connected with the air inlet pipe of storage tank 03, and the freeing pipe 03-1 of storage tank 03 is communicated with air brake valve 04.Air brake valve 04 divides air pump 05 to be communicated with by brake system and wheel again.
Similarly, establish flywheel 1 on the power take-off shaft 3, itself and ring gear 4 mesh, fixedly single armed 6 on the ring gear is connected with push rod 7-2, the output oil pipe 7-1 of anti-back slide master cylinder 7 connects a hydraulic pressure wheel cylinder 9, this hydraulic pressure wheel cylinder is provided with a push rod 9-1, is connected with air brake valve 04 in the brake gear on the self-propelled vehicle.When slipping behind the car, fixedly single armed 6 promotes push rod 7-2, and hydraulic oil acts on hydraulic pressure wheel cylinder 9 among the anti-back slide master cylinder 7 output oil pipe 7-1, makes the push rod 9-1 on it start air brake valve 04 and make the self-propelled vehicle braking.
As shown in Figure 6, on the original compressed-air brake that comprises air compressor 02, storage tank 03, air brake valve 04 and Pressure braking branch pump 05 and connecting line thereof of self-propelled vehicle, in parallel one anti-back slips air pressure delivery pipe 12 on the pipeline between storage tank 03 and the Pressure braking branch pump, establish an anti-back and slip brake activation valve 12-1 on anti-back slips air pressure delivery pipe 12, anti-back slips brake activation valve 12-1 and is connected with the push rod 7-2 that is connected with fixedly single armed 6 on the ring gear 4.Slip anti-back described in the air pressure delivery pipe 12 in the anti-back of parallel connection and slip the back of air brake valve and establish a check valve 12-2, in the pipeline of the compressed-air brake of self-propelled vehicle, also will establish a check valve 04-1,
As shown in Figure 7, when not being by flywheel, ring gear and when fixedly single armed drives anti-back slip device, can on axle 3, establish a ratchet 10, one end of a push rod 11 is located on the ratchet of ratchet 10, the structure of push rod 11 is identical with the structure of push rod 7-2, also be to have two sections bars and a middle spring to constitute, the other end of push rod 11 with can be that the push rod (not shown) of anti-back slide master cylinder or air valve etc. are connected, other structure is identical with fwd embodiment.
As shown in Figure 8, aforesaid push rod 11 can be located among the position-limited trough 12-1 of the carriage 12 that is fixed on the vehicle frame, can connect a pull bar (not shown) on the push rod 11, the joystick that is provided with in this pull bar and gear reversing device and/or the operator's compartment is connected, moveing backward or needing car when unpowered freedom is moved backward, want the anti-back of interim or unconditional cancellation slip device, at this moment, hang reverse gear or handle joystick, pull bar is drawn or promote push rod 11, itself and ratchet are disengaged, and car just can retreat freely.
Claims (10)
1, a kind of back slide preventing, safe, half slope starting device of motor vehicle is characterized in that: comprise the transmission mechanism of an application force, it is located on the axle on the self-propelled vehicle, and this axle rotates to different directions respectively when self-propelled vehicle moves forward and backward; The transmission mechanism of this application force is associated with brake gear on the self-propelled vehicle; Described force transmission mechanism is so related with described brake gear: when self-propelled vehicle when retreating, this mechanism can apply application force and start this brake gear the described brake gear on the self-propelled vehicle.
2, device according to claim 1 is characterized in that: the transmission mechanism of described application force comprises:
A ratchet that is fixed on the described axle,
A post rod mechanism that connects described brake gear, one end of this post rod mechanism is associated with ratchet, and promptly when self-propelled vehicle advanced, this post rod mechanism was failure to actuate, and when self-propelled vehicle retreated, this post rod mechanism of described ratchet effect made it transmit an application force and gives described brake gear.
3, device according to claim 1 is characterized in that: described brake gear is a fluid brake, and the transmission mechanism of described application force comprises:
A ratchet that is fixed on the described axle;
An anti-back slide master cylinder, hydraulic pressure delivery pipe on it is connected with described brake gear on the self-propelled vehicle, establish a triple valve on the hydraulic pressure output oil pipe of master cylinder in the described brake gear on self-propelled vehicle and described anti-back slide master cylinder, make be tightly connected wherein two interfaces of this triple valve of above-mentioned two hydraulic pressure output oil pipes, the 3rd interface of this triple valve is connected with wheel brake device hydraulic tubing, is provided with can export oily interface and described anti-back at the master cylinder hydraulic pressure in the described brake gear and slip and move the spool that can seal one of them interface between the hydraulic pressure output oil pipe interface of master cylinder in this triple valve; With
A post rod mechanism, the one end is associated with the ratchet of described ratchet, and the push rod that its other end and described anti-back slip on the master cylinder is connected; The incidence relation of the ratchet of described post rod mechanism and described ratchet is: when car advanced, post rod mechanism was not promoted by ratchet, and when car retreated, post rod mechanism was promoted by ratchet and makes the work of described anti-back slide master cylinder for described push rod force transmission.
4, device according to claim 1 is characterized in that: described brake gear is a fluid brake, and the transmission mechanism of described application force comprises:
A flywheel, it is located on wherein axle in the power drive of self-propelled vehicle, ratchet device direction in this flywheel between the Internal and external cycle is to be provided with like this: when wherein inner ring with the described axle forward rotation on the power drive, when promptly car advanced, the outer ring of flywheel was static; And inner ring is with the axle backward rotation on the power drive, and when promptly car retreated, rotated with inner ring the outer ring;
A ring gear, its sky are sheathed on the axle, and this is located on the vehicle frame of side of described flywheel, and the gear teeth on the excircle of this ring gear and described flywheel are meshed; On described ring gear, be provided with a fixedly single armed; With
An anti-back slips master cylinder, and the hydraulic pressure delivery pipe on it is connected with original brake system on the self-propelled vehicle, be located on the described ring gear described fixedly single armed with described anti-after push rod on the slide master cylinder be connected; Be respectively equipped with a check valve on the hydraulic pressure output oil pipe of master cylinder in the described brake gear on self-propelled vehicle and described anti-back slide master cylinder.
5, device according to claim 1 and 2 is characterized in that: described brake gear is a compressed-air brake; The transmission mechanism of described application force comprises:
A ratchet that is fixed on the described axle,
A post rod mechanism that connects described brake gear, one end of this post rod mechanism is associated with ratchet, be that described axle on the self-propelled vehicle is failure to actuate at this post rod mechanism that turns to when car advances, and turning to when car retreats, this post rod mechanism transmits an application force to the air brake valve in the described brake gear;
Or the transmission mechanism of described application force comprises:
A ratchet that is fixed on the described axle;
An anti-back slide air brake valve, described anti-back slips air brake valve and is connected on the anti-back slide pneumatic circuit in parallel with the above compressed-air brake of self-propelled vehicle, in the anti-back of described parallel connection slips pneumatic circuit, described anti-back slips establishes a check valve on the air pressure delivery pipe of air brake valve, also establishes a check valve on the air pressure delivery pipe of the air brake valve of the compressed-air brake of self-propelled vehicle;
A post rod mechanism, the one end is connected with described anti-back slide air brake valve, its other end is associated with described ratchet, be that described axle on the self-propelled vehicle is turning to when car advances, this post rod mechanism is failure to actuate, and turning to when car retreats, this post rod mechanism transmits an application force and gives described anti-back slide air brake valve, by the described brake gear of its effect starter motor motor-car;
Or the transmission mechanism of described application force comprises:
A ratchet that is fixed on the described axle,
An anti-back slips master cylinder, and the terminal of the hydraulic pressure delivery pipe on it is provided with a hydraulic pressure wheel cylinder, and this hydraulic pressure wheel cylinder is provided with a push rod, is connected with air brake valve in the described brake gear on the self-propelled vehicle;
A post rod mechanism, the one end is associated with the ratchet of described ratchet, and the push rod that its other end and described anti-back slip on the master cylinder is connected; The incidence relation of the ratchet of described post rod mechanism and described ratchet is: when car advanced, post rod mechanism was not promoted by ratchet, and when car retreated, post rod mechanism was promoted by ratchet and makes the work of described anti-back slide master cylinder for described push rod force transmission;
Or the transmission mechanism of described application force comprises:
A flywheel, it is located on wherein axle in the power drive of self-propelled vehicle, ratchet device direction in this flywheel between the Internal and external cycle is to be provided with like this: when wherein inner ring with the described axle forward rotation on the power drive, when promptly car advanced, the outer ring of flywheel was static; And inner ring is with the axle backward rotation on the power drive, and when promptly car retreated, rotated with inner ring the outer ring;
A ring gear, its sky are sheathed on the axle, and this is located on the vehicle frame of side of described flywheel, and the gear teeth on the excircle of this ring gear and described flywheel are meshed; On described ring gear, be provided with a fixedly single armed; With
An anti-back slips master cylinder, and the terminal of the hydraulic pressure delivery pipe on it is provided with a hydraulic pressure wheel cylinder, and this hydraulic pressure wheel cylinder is provided with a push rod, is connected with brake activation valve on the compressed-air brake on the self-propelled vehicle;
Or the transmission mechanism of described application force comprises:
A flywheel, it is located on wherein axle in the power drive of self-propelled vehicle, ratchet device direction in this flywheel between the Internal and external cycle is to be provided with like this: when wherein inner ring with the described axle forward rotation on the power drive, when promptly car advanced, the outer ring of flywheel was static; And inner ring is with the axle backward rotation on the power drive, and when promptly car retreated, rotated with inner ring the outer ring;
An anti-back slide air brake valve, described anti-back slips air brake valve and is connected in the anti-back slide pneumatic circuit in parallel with the above compressed-air brake of self-propelled vehicle, in the anti-back of described parallel connection slips pneumatic circuit, described anti-back slips establishes a check valve on the air pressure delivery pipe of air brake valve, also will establish a check valve on the air pressure delivery pipe of the air brake valve of the compressed-air brake of self-propelled vehicle; With
A ring gear, its sky are sheathed on the axle, this be located at described flywheel side and vehicle frame on, the gear teeth on the excircle of this ring gear and described flywheel are meshed; On described ring gear, be provided with a fixedly single armed, this fixedly single armed be connected with the push rod of described anti-back air brake valve.
6, according to claim 3 or 4 or 5 described devices, it is characterized in that: described flywheel or ratchet are installed on the power take-off shaft at vehicle transmission rear.
7, according to claim 4 or 5 described devices, it is characterized in that: be provided with a fork slot on described ring gear, establish an end of a shift fork in this groove, the other end of this shift fork is connected with reverse gear lever in the original reversing gear of self-propelled vehicle.
8, device according to claim 7 is characterized in that: be provided with connecting rod mechanism between described reverse gear lever and the shift fork.
9, according to claim 7 or 8 described devices, it is characterized in that: connect a linkage on described shift fork, the interior operating control of the other end of this linkage and operator's compartment is connected.
10, according to claim 3 or 4 or 5 described devices, it is characterized in that: the structure of the push rod on the described anti-back slide master cylinder is: this push rod comprises two sections bars, connects a spring between these two sections bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02244140 CN2546289Y (en) | 2002-06-26 | 2002-07-26 | Anti skidding kick-back backward safety initiating device on half grade for motor vehicle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02238254 | 2002-06-26 | ||
| CN02238254.2 | 2002-06-26 | ||
| CN 02244140 CN2546289Y (en) | 2002-06-26 | 2002-07-26 | Anti skidding kick-back backward safety initiating device on half grade for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2546289Y true CN2546289Y (en) | 2003-04-23 |
Family
ID=34065061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02244140 Expired - Fee Related CN2546289Y (en) | 2002-06-26 | 2002-07-26 | Anti skidding kick-back backward safety initiating device on half grade for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2546289Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947953A (en) * | 2010-09-21 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Hydraulic automatic gear shifting and parking control system of electric vehicle |
| CN102788149A (en) * | 2012-08-06 | 2012-11-21 | 骆国富 | Ramp starting device for vehicle |
-
2002
- 2002-07-26 CN CN 02244140 patent/CN2546289Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947953A (en) * | 2010-09-21 | 2011-01-19 | 上海中科深江电动车辆有限公司 | Hydraulic automatic gear shifting and parking control system of electric vehicle |
| CN102788149A (en) * | 2012-08-06 | 2012-11-21 | 骆国富 | Ramp starting device for vehicle |
| CN102788149B (en) * | 2012-08-06 | 2014-12-24 | 骆国富 | Ramp starting device for vehicle |
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